Claerwen Reservoir Rainfall ForecastUnited KingdomWLPowysClaerwen ReservoirToday 2 Jan70%Sat 3 Jan35%Sun 4 Jan80%Mon 5 Jan30%Tue 6 Jan80%Wed 7 Jan20%Thu 8 Jan60%Claerwen Reservoir rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads